c. 1977-1980
15 x 15 x 8.5 cm (5 7/8 x 5 7/8 x 3 3/8 in.)
Silver and zebra wood
20th centuryGermanMetal
20th centuryGermanMetal
20th centuryGermanMetal
20th centuryGermanMetal
20th centuryGermanMetal
20th centuryGermanNickel silver and ebony
20th centuryGermanNickel silver and ebony
20th centuryGermanElectrotype, copper, silver, and silver-gilt, nautilus shell
20th centuryGermanSilver-plated brass
20th centuryGermanMetal
20th centuryGermanMaiolica
20th centuryGerman